Technical issues aside, James Sweeney's sophomore outing as writer, director and star was very warmly received inside Park City's Eccles Center Theatre to help kick off this year's Sundance Film Festival.

Fifteen minutes before the world premiere of "Twinless," a dark comedy that sees "The Maze Runner" star playing a character who is grieving the loss of his twin brother, the actor was practically giddy as he talked about the film.

I hope that is not the fate of Twinless, a singular, beguiling film. Writer-director James Sweeney, who also co-stars, does trade in some of the stereotypical quirk and tic of Park City ephemera. But he deftly stitches those fabrics into something new,

In James Sweeney's second feature, which also stars Lauren Graham, Aisling Franciosi and Chris Perfetti, two young men at a grief support group form an unlikely friendship.

"That visceral moment of 'you look just like me' is imprinted in my formative memories," says writer-director James Sweeney.

Sundance: James Sweeney levels up with this confident and extremely clever story about two boys who meet in a support group for siblings who've lost a twin.