Wrecked (2020)

Jordan wants to take her revenge on her ex-boyfriend, Aaron. She kidnaps him and his new-girlfriend (Lea) and takes them to an abandoned warehouse. Jordan gives a choice to Aaron, either he kills her (the newbie) or she (Jordan) kills him. Aaron chooses to kill Lea as he cares too much about his life. But he fails and asks Jordan to kill him. After a little dispute and smashing his head three times on what's left from a piano, Jordan spares him from death. Jordan also frees Lea. Lea escapes. Aaron and Jordan reconciles. - Lea sneaks back in with a rock in hand and smashes Aaron's head. Aaron is dead. She just killed him. Jordan is surprised. She didn't expect Lea to be so...neurotic. Lea gently drops the rock to the ground. Jordan and Lea exchange an intense look....attraction? Maybe. They kiss. The end.