Crossing Lines with my brother-in-law

After unexpectedly losing her husband, Amanda was shocked to discover that he was actually the eldest son of a billionaire family. Taken in by her mother-in-law, she became entangled in a love-hate relationship with her brother-in-law. Initially at odds, they gradually developed mutual respect and affection. However, constrained by their sister- and brother-in-law relationship, they both restrained their feelings.