Chao Yang realizes that he knows the murderer. Pupu threatens Chao Yang's stepsister so she doesn't bully him, but somehow she ends up dead. The police officer hears her fall as he was catching Yan Liang.

Chao Yang's stepmother goes crazy and attacks him, accusing him of killing her daughter. The bad kids steal the evidence back from the police officer's home. Chao Yang stepmother then goes after Chao Yang's mom. His mom's alibi blows everyone away.