The Secret House

After their serial killer father is imprisoned, Sung Min, his three siblings, and his mother move to a tranquil country cottage in Taiwan. Sung Min meets a local girl, Ri Hwa, and dreams of a fresh start. However, tragedy strikes when Sung Min’s mother suddenly dies. Fearing her children being sent to orphanages, she asks Sung Min to keep her death a secret until he becomes an adult in six months. He follows her will and lives on with his siblings until a major disruption occurs as his father finds them and barges in with a gun. Will Sung Min be able to save his siblings?
(source : mydramalist)