Triple Threat

This will not be written the usual way, in script form, only slightly....

There is a bunch of siblings living together in a house that their mum owns, who is overseas. The eldest, and the only brother there, leaves off to work that morning, going about his day as a bus driver, with no misadventures as usual. He comes home that day to find distressing events have occurred. His three sisters are dead and bleeding profusely out of the single stab wounds, each had endured. It then goes back to retell the history of that day, and how it followed with devastating murders.....