Tangled web

After his beloved great-uncle has an angina attack, Jarrett tells his fiancee, Emily, that the elderly man's one wish is to live long enough to see him happily married. Emily agrees to bring their wedding forward but she's devastated when, on their honeymoon, she hears of a clause in Jarrett's great-uncle's will: the first baby boy born in the family will inherit the family business. Has Jarrett only married her so he can produce an heir before either of his brothers beat him to it?