After discovering Nazaré, Portugal's monstrous swells, pro surfer Garrett McNamara sets out to achieve his dream of riding a 100-foot wave.

Despite setbacks during their second season in Nazaré, Garrett catches a wave that changes everything.

Surfers new to Nazaré fail to heed safety advice; Garrett's appearance at a competition takes a dark turn.

In 2017, Nazaré's largest swell to date paves the way for a broken record and a broken back.

As the world's top surfers arrive in Nazare, Garrett grows concerned over proposed safety measures.

After the competition abruptly ends, the athletes reflect on their beloved sport.