Falling in Love with You Again

Six years ago, Serena Lawson pursued Ethan Gray for two years and helped him move on from his dad's death. But one day, she said she was getting bored, which broke his heart. Now, after coming back from abroad, Ethan ran into a little girl who looked a lot like him, and found out she was Serena's daughter. He couldn't forgive Serena for leaving, but he also couldn't bear to see her disappear again. What was the truth about the car accident that caused their fathers' deaths? How were they supposed to face each other after six years?