After losing his memory from brain cancer surgery, Sean Langdon's personality changes drastically, and he relentlessly humiliates his wife, Nina Shaw. Exhausted in mind and body, Nina Shaw resolutely leaves after fulfilling a 100-day pact, only to unexpectedly marry Sean Langdon's uncle, Kane Langdon. When Sean Langdon regains his memory, he begins a frantic pursuit to win her back, but Nina Shaw has already found a new life under Kane Langdon's gentle protection.