A grumpy, but industrious, owner of a construction firm suffers an accident on the job, leaving him paralyzed. Despite his hard-to-love attitude, his wife and the Hobo stand by him for his physiotherapy and while he reassesses his talents.
A young upper class snob tries to hector his sister's new boyfriend out of her life. When that doesn't work, he challenges his rival to a tennis match, not realizing that a pro is willing to stand-in for him.
The Hobo discovers a senile veteran who is the custodian of an unexploded bomb. He is able to bring it to the attention of a nearby military base, but the stakes are raised when it's discovered that it is near an abandoned munitions dump.