So Long Baby Taggart : Season 25 Episode 4

Having clocked off work the night before his holiday, DI Ross finds an abandoned baby gurgling on a doorstep on his walk home. After ringing the doorbell but getting no response, Ross checks round the back only to discover a French window wide open and a dead man lying in a pool of blood. Are the baby and the victim connected? Ross calls in the team to help with the investigation.