Watch: Jung Zi So Works With Lee Soo Hyuk To Kidnap Her Sister Cha Joo Young In Upcoming Thriller Film “Sister”

Upcoming film “Sister” has released a chilling new teaser!

“Sister” is a thriller that reveals the hidden truth between Hae Ran (Jung Zi So), who kidnaps her sister for a large ransom, Tae Su (Lee Soo Hyuk), who plans the entire scheme, and So bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. /jin" class="kpa-star-link" data-entity-type="star" data-entity-slug="jin" data-group-slug=" bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. "> Jin (Cha Joo Young), the hostage who fights to survive in a desperate struggle to escape.

The newly released teaser begins with intense conversations showing up in text on screen. Completely shaken by fear, So bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. /jin" class="kpa-star-link" data-entity-type="star" data-entity-slug="jin" data-group-slug=" bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. "> Jin ’s voice rings out, “I don’t know why you’re doing this to me. I don’t even have that much money,” raising tension.

The teaser finally reveals Hae Ran, who tells So bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. /jin" class="kpa-star-link" data-entity-type="star" data-entity-slug="jin" data-group-slug=" bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. "> Jin , “Park Yong Shin—I’m also that person’s daughter,” raising questions about the relationship between So bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. /jin" class="kpa-star-link" data-entity-type="star" data-entity-slug="jin" data-group-slug=" bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. "> Jin and Hae Ran. The teaser further highlights Tae Su wearing a determined expression and So bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. /jin" class="kpa-star-link" data-entity-type="star" data-entity-slug="jin" data-group-slug=" bts BTS K-POP GROUP BTS is a seven–member South Korean boy group known for their powerful performances, self-produced music, and global impact across pop and hip-hop. "> Jin trying desperately to escape, making viewers wonder if she’ll be able to free herself from Hae Ran and Tae Su.

The teaser ends with the chilling text, “Today, I kidnapped my older sister.”

Watch the teaser below!

“Sister” will premiere on January 28, 2026.

In the meantime, watch Jung Zi So in “Imitation” on Viki:

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Watch Lee Soo Hyuk in “Doom at Your Service”:

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And Cha Joo Young in “The Queen Who Crowns”:

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