"No Hero" is a romance novel by the author. E. W. Hornung. An English gentleman, Duncan Clephane, receives a letter summoning him to a visit with an old friend. The friend, Catherine an older woman has a request to make about her son Bob, a student at Cambridge University. The young man has been taken in, it seems, with a widow twenty years his senior, a fact that offers no pleasure to his poor mother. She wants her friend to exert the influence he once had on the young man and stop him from making the biggest mistake of his life…