 Prasoet is then found dead from a gunshot in his bedroom, and Phatson becomes a prime suspect.Prasoet's wife Chris also becomes suspected when it is revealed that Prasoet had been seeing a mistress for twenty years.The grandchildren, especially Prasoet and Chris's son Pete and Phatson's eldest son Yi, become involved as each family tries to prove their innocence and uncover the mystery of the case.