irish steakhouse. while he fixed up the restaurant he became a fixture at the bar, and it's not exactly a trendy bar. so an ex-navy s.e.a.l. and pro-football player that was a multimillionaire made quite an impression on the other regulars. >> just a really cool guy. like the life of a party type guy. and then find out how much money he's got, you know, down here with different cars every day, you know, stuff like that. >> fancy cars and big trucks and hot motorcycles. mike grogan had them all. but he didn't just spend money on himself. grogan took his new friends golfing at pricey clubs, always paying for lunch, dinner, everything, in cash. soon, his landlord and friend also found out just how wealthy mike grogan was. >> something like $23 million worth of microsoft stock. >> 23 million? >> right. >> but grogan was modest, too. when a woman named marina started dating him soon after he hired her to work at the restaurant, she says she heard about his wealth and fame from other people. instead, she says, he liked to talk about her. did he listen if you had a problem? >> yeah, totally. he was very exciting and happ