Fifteen years ago, a tragic incident took the life of Mac Lonergan, one of the four cousins of the Lonergan family and the father of Donna Barrett's baby. Now the three cousins and Donna reunite after living separately with the trauma. Jake has always been in love with Donna, and even after seeing her son, the spitting image of Mac, that hasn't changed. Donna and Jake struggle to come to terms with their past and their guilt over betraying Mac, but his lookalike son brings them together.