Secretly in LoveEpisode 4

Susan Blue had one night stand with Joe Harrison by accident. She took the fall and went to jail for her boyfriend Jose Yates, who drove and killed a woman. She the gave birth to her son, David, in prison. But unfortunately, Leanna took him away from her. Joe held grudge for Susan because he thought she killed his sister Zoe without knowing she's David's mother. Leanna took advantage of the situation and impersonated David's mom. In the end, David saved Susan and Leanna got punished.