by all appearances sam and danielle dreher had, a storybook marriage. then one traffic afternoon, their worlds came crashing down. destroyed by a series of bullets and a senseless killing. as investigators began today, they realize not all was as it seemed. they had entered a thorny maze of marital betrayal. here's thief andrea canning, with tangled web. >> sarasota, florida. the perfect backdrop for romance. beautiful beaches for a long walks, gorgeous sunsets, and this little rhythm of a gentle gulf tied. stories of love abound in this city by the city. but not all have ended happily ever after. like the one that unfolded hair back in december of 2012. when secrets, lies and infidelity led to murder. >> 9-1-1 was the location of emergency? >> hello? a man's been shot. >> it's really a trusted love story? >> it's so twisted. it's tangled. it's a not. i'm not sure that it will ever come undone. but i do know that there is more to the story than has been told. >> it all began back in 1998, when the 26-year-old local firefighter by the name of sam dreher,